package controllers

import (
	"encoding/json"
	"hongze/hongze_admin/models"
	"hongze/hongze_admin/utils"
	"time"
)

//分类
type ClassifyController struct {
	BaseAuthController
}

// @Title 新增分类接口
// @Description 新增分类
// @Param	request	body models.ClassifyAddReq true "type json string"
// @Success 200 新增成功
// @router /add [post]
func (this *ClassifyController) Add() {
	br := new(models.BaseResponse).Init()
	defer func() {
		this.Data["json"] = br
		this.ServeJSON()
	}()
	var req models.ClassifyAddReq
	err := json.Unmarshal(this.Ctx.Input.RequestBody, &req)
	if err != nil {
		br.Msg = "参数解析异常！"
		br.ErrMsg = "参数解析失败，Err:" + err.Error()
		return
	}
	if req.ClassifyName == "" {
		br.Msg = "分类名称不可为空"
		return
	}
	item, err := models.GetClassifyByName(req.ClassifyName, req.ParentId)
	if err != nil && err.Error() != utils.ErrNoRow() {
		br.Msg = "获取分类信息失败"
		br.ErrMsg = "获取分类信息失败,Err:" + err.Error()
		return
	}
	if item != nil {
		br.Msg = "分类名称:" + req.ClassifyName + "已存在"
		return
	}
	classify := new(models.Classify)
	classify.ClassifyName = req.ClassifyName
	classify.ParentId = req.ParentId
	classify.CreateTime = time.Now()
	classify.ModifyTime = time.Now()
	classify.Abstract = req.Abstract
	classify.Descript = req.Descript
	err = models.AddClassify(classify)
	if err != nil {
		br.Msg = "新增失败"
		br.ErrMsg = "新增失败,Err:" + err.Error()
		return
	}
	br.Ret = 200
	br.Success = true
	br.Msg = "新增成功"
}

// @Title 删除分类-检测接口
// @Description 删除分类-信息检测，是否符合删除条件
// @Param	request	body models.CheckDeleteClassifyReq true "type json string"
// @Success 200 {object} models.CheckDeleteClassifyResp
// @router /checkDeleteClassify [get]
func (this *ClassifyController) CheckDeleteClassify() {
	br := new(models.BaseResponse).Init()
	defer func() {
		this.Data["json"] = br
		this.ServeJSON()
	}()
	var req models.CheckDeleteClassifyReq
	err := json.Unmarshal(this.Ctx.Input.RequestBody, &req)
	if err != nil {
		br.Msg = "参数解析异常！"
		br.ErrMsg = "参数解析失败，Err:" + err.Error()
		return
	}
	if req.ClassifyId <= 0 {
		br.Msg = "参数错误"
		return
	}
	classify, err := models.GetClassifyById(req.ClassifyId)
	if err != nil {
		br.Msg = "获取信息失败"
		br.ErrMsg = "获取信息失败,Err:" + err.Error()
		return
	}
	resp := new(models.CheckDeleteClassifyResp)
	if classify == nil {
		br.Msg = "分类不存在"
		resp.Code = 1
		resp.Msg = "分类不存在"
		br.Data = resp
		br.Ret = 200
		br.Success = true
		return
	}

	//判断分类是否关联了报告
	if classify.ParentId > 0 {
		count, err := models.GetReportCountByClassifyId(req.ClassifyId)
		if err != nil {
			br.Msg = "获取信息失败"
			br.ErrMsg = "获取信息失败,Err:" + err.Error()
			return
		}
		if count > 0 {
			resp.Code = 2
			resp.Msg = "该分类有关联报告，不允许删除"
			br.Data = resp
			br.Ret = 200
			br.Msg = "该分类有关联报告，不允许删除"
			br.Success = true
			return
		}
	} else {
		subCount, err := models.GetClassifySubCountByClassifyId(req.ClassifyId)
		if err != nil {
			br.Msg = "获取信息失败"
			br.ErrMsg = "获取信息失败,Err:" + err.Error()
			return
		}
		if subCount > 0 {
			resp.Code = 3
			resp.Msg = "二级分类有关联报告，不允许删除"
			br.Data = resp
			br.Ret = 200
			br.Msg = "二级分类有关联报告，不允许删除"
			br.Success = true
			return
		}
		subTotal, err := models.GetClassifySubCountByParentId(req.ClassifyId)
		if err != nil {
			br.Msg = "获取信息失败"
			br.ErrMsg = "获取信息失败,Err:" + err.Error()
			return
		}
		if subTotal > 0 {
			resp.Code = 4
			resp.Msg = "该分类下有关联分类，是否确认全部删除"
			br.Data = resp
			br.Ret = 200
			br.Msg = "该分类下有关联分类，是否确认全部删除"
			br.Success = true
			return
		}
	}
	resp.Code = 0
	resp.Msg = "检测完成，可进行删除操作"
	br.Ret = 200
	br.Data = resp
	br.Success = true
	br.Msg = "检测成功"
}

// @Title 删除分类接口
// @Description 删除分类
// @Param	request	body models.DeleteClassifyReq true "type json string"
// @Success 200 Ret=200，删除成功
// @router /delete [post]
func (this *ClassifyController) Delete() {
	br := new(models.BaseResponse).Init()
	defer func() {
		this.Data["json"] = br
		this.ServeJSON()
	}()
	var req models.DeleteClassifyReq
	err := json.Unmarshal(this.Ctx.Input.RequestBody, &req)
	if err != nil {
		br.Msg = "参数解析异常！"
		br.ErrMsg = "参数解析失败，Err:" + err.Error()
		return
	}
	if req.ClassifyId <= 0 {
		br.Msg = "参数错误"
		return
	}
	item, err := models.GetClassifyById(req.ClassifyId)
	if err != nil {
		br.Msg = "获取信息失败"
		br.ErrMsg = "获取信息失败,Err:" + err.Error()
		return
	}
	if item == nil {
		br.Msg = "分类不存在"
		return
	}
	err = models.DeleteClassify(req.ClassifyId)
	if err != nil {
		br.Msg = "删除失败"
		br.ErrMsg = "删除失败,Err:" + err.Error()
		return
	}
	br.Ret = 200
	br.Success = true
	br.Msg = "删除成功"
}

// @Title 修改分类接口
// @Description 修改分类
// @Param	request	body models.EditClassifyReq true "type json string"
// @Success 200 Ret=200，修改成功
// @router /edit [post]
func (this *ClassifyController) Edit() {
	br := new(models.BaseResponse).Init()
	defer func() {
		this.Data["json"] = br
		this.ServeJSON()
	}()
	var req models.EditClassifyReq
	err := json.Unmarshal(this.Ctx.Input.RequestBody, &req)
	if err != nil {
		br.Msg = "参数解析异常！"
		br.ErrMsg = "参数解析失败，Err:" + err.Error()
		return
	}
	if req.ClassifyId <= 0 {
		br.Msg = "参数错误"
		return
	}
	item, err := models.GetClassifyByName(req.ClassifyName, req.ParentId)
	if err != nil && err.Error() != utils.ErrNoRow() {
		br.Msg = "获取信息失败"
		br.ErrMsg = "获取信息失败,Err:" + err.Error()
		return
	}
	if item != nil && item.Id != req.ClassifyId {
		br.Msg = "分类名称:" + req.ClassifyName + "已存在"
		return
	}
	err = models.EditClassify(req.ClassifyName, req.Abstract, req.Descript, req.ParentId, req.ClassifyId)
	if err != nil {
		br.Msg = "修改失败"
		br.ErrMsg = "修改失败,Err:" + err.Error()
		return
	}
	br.Ret = 200
	br.Success = true
	br.Msg = "修改成功"
}

// @Title 获取父级分类接口
// @Description 获取父级分类
// @Success 200 {object} models.Classify
// @router /parent [get]
func (this *ClassifyController) ParentClassify() {
	br := new(models.BaseResponse).Init()
	defer func() {
		this.Data["json"] = br
		this.ServeJSON()
	}()
	items, err := models.ParentClassify()
	if err != nil {
		br.Msg = "获取失败"
		br.ErrMsg = "获取失败，Err:" + err.Error()
		return
	}
	br.Data = items
	br.Ret = 200
	br.Success = true
	br.Msg = "获取成功"
}

// @Title 根据id获取分类详情接口
// @Description 根据id获取分类详情
// @Param	request	body models.FindByIdClassifyReq true "type json string"
// @Success 200 {object} models.Classify
// @router /findById [get]
func (this *ClassifyController) FindByIdClassify() {
	br := new(models.BaseResponse).Init()
	defer func() {
		this.Data["json"] = br
		this.ServeJSON()
	}()
	var req models.FindByIdClassifyReq
	err := json.Unmarshal(this.Ctx.Input.RequestBody, &req)
	if err != nil {
		br.Msg = "参数解析异常！"
		br.ErrMsg = "参数解析失败，Err:" + err.Error()
		return
	}
	items, err := models.FindByIdClassify(req.ClassifyId)
	if err != nil {
		br.Msg = "获取失败"
		br.ErrMsg = "获取失败，Err:" + err.Error()
		return
	}
	br.Data = items
	br.Ret = 200
	br.Success = true
	br.Msg = "获取成功"
}

// @Title 获取分类列表
// @Description 获取分类列表
// @Param   PageSize   query   int  true       "每页数据条数"
// @Param   CurrentIndex   query   int  true       "当前页页码，从1开始"
// @Param   KeyWord   query   string  true       "检索关键词"
// @Success 200 {object} models.Classify
// @router /list [get]
func (this *ClassifyController) ListClassify() {
	br := new(models.BaseResponse).Init()
	defer func() {
		this.Data["json"] = br
		this.ServeJSON()
	}()
	pageSize, _ := this.GetInt("PageSize")
	currentIndex, _ := this.GetInt("CurrentIndex")
	keyWord := this.GetString("KeyWord")

	var startSize int
	if pageSize <= 0 {
		pageSize = utils.PageSize20
	}
	if currentIndex <= 0 {
		currentIndex = 1
	}
	startSize = utils.StartIndex(currentIndex, pageSize)
	list, err := models.GetClassifyList(startSize, pageSize, keyWord)
	if err != nil {
		br.Msg = "获取失败"
		br.ErrMsg = "获取失败，Err:" + err.Error()
		return
	}
	total, err := models.GetClassifyListCount(keyWord)
	if err != nil {
		br.Msg = "获取失败"
		br.ErrMsg = "获取失败，Err:" + err.Error()
		return
	}
	for _, v := range list {
		child, err := models.GetClassifyChild(v.Id, keyWord)
		if err != nil {
			br.Msg = "获取信息失败"
			br.ErrMsg = "获取失败，Err:" + err.Error()
			return
		}
		v.Child = child
	}
	page := models.GetPaging(currentIndex, pageSize, total)
	resp := new(models.ClassifyListResp)
	resp.List = list
	resp.Paging = page

	br.Data = resp
	br.Ret = 200
	br.Success = true
	br.Msg = "获取成功"
}